diff options
Diffstat (limited to 'Source/WebCore/platform/win/SSLKeyGeneratorWin.cpp')
-rw-r--r-- | Source/WebCore/platform/win/SSLKeyGeneratorWin.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/Source/WebCore/platform/win/SSLKeyGeneratorWin.cpp b/Source/WebCore/platform/win/SSLKeyGeneratorWin.cpp new file mode 100644 index 000000000..48de3877b --- /dev/null +++ b/Source/WebCore/platform/win/SSLKeyGeneratorWin.cpp @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2008-2009 Torch Mobile Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + */ + +#include "config.h" +#include "SSLKeyGenerator.h" + +#include <wtf/text/Base64.h> +#include <wtf/text/CString.h> + +#include <windows.h> +#include <wincrypt.h> + +namespace WebCore { + +void WebCore::getSupportedKeySizes(Vector<String>& v) +{ + // FIXME: Strings should be localizable. + v.append("High Grade"); + v.append("Medium Grade"); +} + +String WebCore::signedPublicKeyAndChallengeString(unsigned index, const String& challenge, const URL& url) +{ + String keyString; + + HCRYPTPROV hContext = 0; + HCRYPTKEY hKey = 0; + PCERT_PUBLIC_KEY_INFO pPubInfo = 0; + + // Try to delete it if it exists already + CryptAcquireContextW(&hContext, L"keygen_container", MS_ENHANCED_PROV, PROV_RSA_FULL, CRYPT_DELETEKEYSET); + + do { + if (!CryptAcquireContextW(&hContext, L"keygen_container", MS_ENHANCED_PROV, PROV_RSA_FULL, CRYPT_NEWKEYSET)) + break; + + DWORD dwPubInfoLength = 0; + if (!CryptGenKey(hContext, AT_KEYEXCHANGE, 0, &hKey) || !CryptExportPublicKeyInfo(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, 0, &dwPubInfoLength)) + break; + + // Use malloc instead of new, because malloc guarantees to return a pointer aligned for all data types. + pPubInfo = reinterpret_cast<PCERT_PUBLIC_KEY_INFO>(fastMalloc(dwPubInfoLength)); + + if (!CryptExportPublicKeyInfo(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, pPubInfo, &dwPubInfoLength)) + break; + + CERT_KEYGEN_REQUEST_INFO requestInfo = { 0 }; + requestInfo.dwVersion = CERT_KEYGEN_REQUEST_V1; + requestInfo.pwszChallengeString = L""; + requestInfo.SubjectPublicKeyInfo = *pPubInfo; + + String localChallenge = challenge; + + // Windows API won't write to our buffer, although it's not declared with const. + const Vector<UChar>& localChallengeWide = localChallenge.charactersWithNullTermination(); + requestInfo.pwszChallengeString = const_cast<wchar_t*>(localChallengeWide.data()); + + CRYPT_ALGORITHM_IDENTIFIER signAlgo = { 0 }; + signAlgo.pszObjId = szOID_RSA_SHA1RSA; + + DWORD dwEncodedLength; + if (!CryptSignAndEncodeCertificate(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, X509_KEYGEN_REQUEST_TO_BE_SIGNED, &requestInfo, &signAlgo, 0, 0, &dwEncodedLength)) + break; + + Vector<char> binary(dwEncodedLength); + if (!CryptSignAndEncodeCertificate(hContext, AT_KEYEXCHANGE, X509_ASN_ENCODING, X509_KEYGEN_REQUEST_TO_BE_SIGNED, &requestInfo, &signAlgo, 0, reinterpret_cast<LPBYTE>(binary.data()), &dwEncodedLength)) + break; + + keyString = base64Encode(binary); + } while(0); + + if (pPubInfo) + fastFree(pPubInfo); + + if (hKey) + CryptDestroyKey(hKey); + + if (hContext) + CryptReleaseContext(hContext, 0); + + return keyString; +} + +} // namespace WebCore |